feedback on strains, one new to me, church, grape kush, sour diesel

Hey you guys have any feedback regarding these strains? I have some growing and wanted to see what everyone knows. Thanks.

Grape Kush:
Potency:
Yield:
Difficulty:

Sour Diesel:
Potency:
Yield:
Difficulty:

Church:
Potency:
Yield:
Difficulty:

sour diesel
potency:high
yield:small-medium
difficulty:easy-medium

as for the other 2 never grew them

SD is one of my faves even though yield isnt that great smell and taste is like nothin else and the high is great...